Portable stove



FIG. 1 is a perspective view showing our new design;

FIG. 2 is an elevation view of a first end thereof;

FIG. 3 is an elevation view of a second end thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a second embodiment of FIG. 4, the only difference being in the configuration of the stove cooking surface.

The details shown in broken lines in FIGS. 1 and 5 are for illustrative purposes only and form no part of the claimed design 

The ornamental design for a portable stove, as shown and described. 